Graphics Programs Reference
In-Depth Information
FIGURE 3.10
The Object Snap
tab in the Drafting
Settings dialog box
You've just set up the Endpoint, Midpoint, and Intersection osnaps to be on by default. This
is called a Running Osnap ; AutoCAD automatically selects the nearest osnap point without your
intervention. Now let's see how a Running Osnap works:
1. First, turn off Dynamic Input in the status bar. This will help you see the osnap markers
more easily.
2. Click the 3-Point Arc tool in the Tool Sets palette or type A ↵. See Figure 3.11 for other Arc
options available from the Draw menu on the menu bar.
3. For the first point of the arc, move the cursor toward the intersection of the two lines
as indicated in the top image in Figure 3.12. Notice that the Intersection Osnap marker
appears on the intersection.
4. With the Intersection Osnap marker on the desired intersection, left-click.
5. Move the cursor to the midpoint of the second horizontal line near the top. When the
Midpoint Osnap marker appears at the midpoint of the line, left-click.
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